Question

15
1. a. An ornament is made of gold and copper and weighs 75 grams. If 4 by 15
part is copper, find the weight of pure gold in it

b. Find the cardinal number of a set A where A = (xlx is a two digit
number, sum of whose digits is 11)

plzzz answerrr
​

Answer 1

Answer:

20333322 in hand u need